
Display messages
Possible causes/consequence
sand M
MSolutions 6
Rear left malfunc‐ Rear left malfunc‐
tion Consult work‐ tion Consult work‐
shop shop
orRear right
Rear right
malfunction
malfunction Consult
Consult
workshop
workshop The rear left-hand or right-hand restraint system has malfunctioned.
The 6 warning lamp also lights up in the instrument cluster.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in the event of an accident, may not be triggered.
This poses an increased risk of injury.
X Consult aqualified specialist workshop. 6
Rear Rear
centre
centre malfunc‐
malfunc‐
tion Consult work‐
tion Consult work‐
shop shop The rear centre restraint system has malfunctioned. The
6warning
lamp also lights up in the instrument cluster.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in the event of an accident ,may not be triggered.
This poses an increased risk of injury.
X Consult aqualified specialist workshop. Lights
Display messages
Possible causes/consequence
sand M
MSolutions b
Left dipped beam Left dipped beam
(example) The bulb in question is faulty.
X Consult aqualified specialist workshop.
or X Check whether you are permitted to replace the bulb yourself
(Y page 78).
i LED light bulbs: the display message for the corresponding lamp
appears only when all the LEDsint he lamp have failed.b
Malfunction Malfunction
See
SeeOwn‐
Own‐
er's Manual
er's Manual The exterior lighting is faulty.
X Consult aqualified specialist workshop. b
AUTO lights inoper‐ AUTO lights inoper‐
ative ative The light sensor is faulty.
X
Consult aqualified specialist workshop. b
Remove key Remove key You have inserted the key into the ignition lock.
X Remove the key from the ignition lock. b
Switch off lights Switch off lights The lights are still switched on when you leave the vehicle.
Awarning
tonea lso sounds.
X Turn the light switch to the Ãposition. Display me
ssages
145On-board compute rand displays Z

Key
Display messages
Possible causes/consequence
sand M
MSolutions Â
Key Key
does
does not
notbelong
belong
to vehicle
to vehicle You have put the wrong key in the ignition lock.
X Use the correct key. Â
Replace key Replace key The key needs to be replaced.
X Consult aqualified specialist workshop. Warning and indi
cator lamps on the
instrument cluster General notes
Some systems carry out aself-diagnosi swhen
the ignition is switched on. Anumber of warning and indicator lamps might tempo
rarily light up
or flas hdurin gthis. This behaviour is non-criti-
cal. Thes ewarning and indicator lamps indicate
am alfunctio nonlyift heylight up or flash after
th ee ngine is started or durin gajourney. Safety
Seat belts Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ü
N
Onl yfor certain countries: the red seat belt warning lamp lights up for 6seconds
after the engine starts.
The seat belt warning lamp reminds the driver and front passenger to fasten their
seat belts.
X Fasten your seat belt (Y page 34).ü
N
Only for certain countries: the red seat belt warning lamp lights up after the
engine starts. In addition, awarning tone sounds for up to 6seconds.
The driver's seat belt is not fastened.
X Fasten your seat belt (Y page 34).
The warning tone ceases. Warnin
gand indicator lamps on the instrument cluster
155On-boardcomputer and displays Z

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions ü
N
The red seat belt warning lamp lights up after the engine starts, as soon as the
driver's or the front-passenger door is closed.
The driver or passenger has not fastened their seat belt.
X Fasten your seat belt (Y page 34).
The warning lamp goes out.
There are objectsont he front-passenger seat.
X Remove the object sfrom the front-passenger seat and stow them in asecure
place.
The warning lamp goes out. ü
N
The red seat belt warning lamp flashes and an intermittent audibl ewarning
sounds.
The driver or passenger has not fastened their seat belt. At the same time, you are
driving faster than 25 km/ho rhave briefly driven faster than 25 km/h.
X Fasten your seat belt (Y page 34).
The warning lamp goes out and the intermittentw arning tone ceases.
There are object sonthe front-passenger seat. At the same time, you are driving
faster than 25 km/ho rhave briefly driven faster than 25 km/h.
X Remove th eobjects from th efront-pa ssenger seat and stow them in asecure
place.
The warning lamp goes out and th eintermittent warning tone ceases. 156
Warning and indicator lamps on th
einstrument clusterOn-boar dcomputer and displays

Safety systems
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions J
N
The red brake system warning lamp is lit while the engine is running.
Aw arning tonea lso sounds.
G WARNING
The brake system is malfunctioning and the braking characteristics may be affec- ted.
There is arisk of an accident.
X If the multifunction display shows adisplay message, please observe this.
X Drive on carefully.
X Consult aqualified specialist workshop. J
N
The yellow brake system warning lamp is lit while the engine is running.
Aw arning tonea lso sounds.
G WARNING
The brake boosting effect is malfunctioning and the braking characteristics may be
affected.
There is arisk of an accident.
X Stop the vehicle safely as soon as possible, paying attention to road and traffic
conditions. Do not continue driving.
X Secure the vehicle against rolling away (Y page 113).
X Consult aqualified specialist workshop.
X Observe the additional display messages on the multifunction display. J
N
The yellow brake system warning lamp is lit while the engine is running.
Aw arning tonea lso sounds.
There is an insufficien tamount of brake fluid in the fluid reservoir.
G WARNING
Brakin gefficienc ymay be impaired.
There is arisk of an accident.
X Stop the vehicle safely as soon as possible, paying attention to road and traffic
conditions. Do not continue driving.
X Secure the vehicle against rolling away (Y page 113).
X Do not top up the brake fluid. Topping up will not correc tthe fault.
X Consult aqualified specialist workshop.
X Observe the additional display messages on the multifunction display. J
N
The red brake system warning lamp is lit while the vehicle is in motion.
You are driving with the parking brake applied.
X Release the parking brake.
The warning lamp goes out and the warning tonec eases.Warning and indicato
rlamps on the instrument cluster
157On-boardcomputer and displays Z

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions !
N
The red ABS warning lamp is lit while the engine is running.
The ABS (Anti-lock Braking System) is malfunctioning.
An additional warning tone indicates that EBD (electronic brake force distribution) is malfunctioning.
Other driving and driving safety systems may also be malfunctioning.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock if you brake hard, for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased risk of skidding and/or accident.
X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Consult aqualified specialist workshop immediately.
If the ABS control unit is faulty, there is also apossibility that other systems, such
as the navigation system or the automatic transmission, will be unavailable. !
N
The red ABS warning lamp is lit while the engine is running.
ABS is temporarily unavailable.
Other driving and driving safety systems may also be unavailable.
Possible causes:
R self-diagnosis is not yet complete
R the on-board voltage may be insufficient
G WARNING
The brake system continues to function normally, but without the functions listed above. The wheels could therefor elock if you brake hard, for example.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergenc ybraking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is arisk of an accident.
X Carefully drive on asuitable stretch of road, making gentle steerin gmovements
at speeds of above 20 km/h.
The functions mentioned above are available again when the warning lamp goes out.
If the warning lamp is still on:
X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Consult aqualified specialist workshop. 158
Warning and indicator lamps on the instrument clusterOn-board computer and displays

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions !
N
The red ABS warning lamp is lit while the engine is running.
You have engaged the differential locks. ABS is deactivated.
X Disengage the differential locks.
Subsequently ABS is reactivated. J÷
!
N
The yellow ESP ®
and ABS brake system warning lamps are lit while the engine
is running.
ABS and ESP ®
are malfunctioning.
Other driving and driving safety systems may also be malfunctioning.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock if you brake hard, for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased risk of skidding and/or accident.
X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Consult aqualified specialist workshop immediately. ÷
N
The yellow ESP ®
warning lamp flashes while the vehicle is in motion.
ESP ®
or traction control has intervened due to arisk of skidding or because at least
one wheel has started to spin.
Cruise control is deactivated.
X Depress the accelerator pedal only as far as necessary when pulling away.
X Accelerate more gently while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
In rare cases (Y page 54) it may be better to deactivate ESP ®
.
Observe the important safety notes on ESP ®
(Y page 54). Warning and indicato
rlamps on the instrument cluster
159On-boardcomputer and displays Z

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions å
N
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deactivated.
G WARNING
If ESP ®
is deactivated, ESP ®
is unable to stabilise the vehicle.
Further driving systems or driving safety systems are thus restricted.
There is an increased risk of skidding and/or accident.
X Reactivate ESP ®
.
In rare cases (Y page 54) it may be better to deactivate ESP ®
.
Observe the important safety notes on ESP ®
(Y page 54).
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Drive on carefully.
X Have ESP ®
checked at aqualified specialist workshop. ֌
N
The yellow ESP ®
and ESP ®
OFF warning lamps are lit while the engine is running.
ESP ®
is malfunctioning.
Other driving and driving safety systems may also be malfunctioning.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance may thus increase in an emergenc ybraking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased risk of skidding and/or accident.
X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Consult aqualified specialist workshop immediately. 160
Warning and indicator lamps on the instrument clusterOn-board computer and displays

Warning/
indicator
lamp
N N
Signa ltype
Possible causes/consequences and M
MSolutions ֌
N
The yellow ESP ®
and ESP ®
OFF warning lamps are lit while the engine is running.
ESP ®
is temporarily unavailable.
Other driving and driving safety systems may also be unavailable.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance may thus increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased risk of skidding and/or accident.
X Carefully drive on asuitable stretch of road, making gentle steerin gmovements
at speeds of above 20 km/h.
The functions mentioned above are available again when the warning lamp goes
out.
If the warning lamp is still on: X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Consult aqualified specialist workshop. å
N
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
The differential lock is engaged. ABS,E SP®
,4 ETS and BAS have been deactivated.
X Disengage the differential lock.
ESP ®
,4 ETS and BAS are subsequently reactivated.
X Observe the additional display messages on the multifunction display. 6
N
The red restraint system warning lamp is lit while the engine is running.
The restraint system is malfunctioning.
G WARNING
The airbags or belt tensioners may either be triggered unintentionally or, in the
event of an accident ,may not be triggered.
This poses an increased risk of injury.
X Observe the additional display messages on the multifunction display.
X Drive on carefully.
X Contact aqualified specialist workshop immediately and have the restraint sys-
tem checked.
Further information about the restraint system (Y page 31).Warning and indicato
rlamps on the instrument cluster
161On-boardcomputer and displays Z